"Police are scouring other businesses in the local area for surveillance footage to perhaps give us a lead," he said.

No shots were fired during the incident and no one was seriously injured.

"It's always concerning when people take it upon themselves to use firearms and threaten other people, however police are doing everything we can to try and stamp out this sort of offence," Detective Sergeant Ladd said.

The offender is described as Caucasian in appearance, slim build, about 183 centimetres tall and aged in his 30s.

He was seen wearing dark clothing, light coloured sneakers and a balaclava.

Anyone who was in the area at the time of the incident and saw a man matching this description is urged to contact Police Operations on 131 444.